US Bridges

Minor Col 71A over Trib. to Lost Creek

Good

Linn County, Kansas · 3.8W of Mantey · Structure no. 000541087205680

Built
1958
67 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
100
2006 count
Owner
County
County Highway Agency

About this bridge

Minor Col 71A over Trib. to Lost Creek is a concrete culvert carrying Minor Col 71A over Trib. to Lost Creek in Linn County, Kansas. It was built in 1958, so it is 67 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 50 by 2044. The structure is 31 ft (9.5 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMinor Col 71A
CrossesTrib. to Lost Creek
Location3.8W of Mantey
RouteCounty Highway 5402
StateKansas
Coordinates38.05182, -94.87444
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.8 US tons
Inventory rating20 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length31 ft (9.5 m)
Longest span10 ft (3 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic100 (2006)
Projected traffic50 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Minor Col 71A over Trib. to Lost Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is Minor Col 71A over Trib. to Lost Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does Minor Col 71A over Trib. to Lost Creek carry?

About 100 vehicles per day (2006 count), of which roughly 10% are trucks.

How long is Minor Col 71A over Trib. to Lost Creek?

The structure is 31 ft (9.5 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns Minor Col 71A over Trib. to Lost Creek?

It is owned by the County Highway Agency.